Periodic Trends in Bonding and Structure (OCR A-Level Chemistry A): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Diagonal divide location in periodic table
Diagonal divide location in periodic table
Group 13 (top) to Group 17 (bottom)
Elements between metals and non-metals
Elements between metals and non-metals
Semi-metals or metalloids (e.g., B, Si, Ge, As, Sb)
Metallic bonding definition
Metallic bonding definition
Attraction between cations and delocalised electrons
Delocalised electrons in metals
Delocalised electrons in metals
Outer-shell electrons moving freely throughout structure
States where metals conduct electricity
States where metals conduct electricity
Both solid and liquid states
Giant covalent lattice structure
Giant covalent lattice structure
Vast network of atoms bonded by strong covalent bonds
Bond angle in diamond structure
Bond angle in diamond structure
(tetrahedral, each C bonds to 4 others)
Graphene vs graphite structure
Graphene vs graphite structure
Graphene: single layer; Graphite: parallel layers
Why graphite conducts electricity
Why graphite conducts electricity
Spare delocalised electron (3 of 4 bond, 1 delocalises)
Melting point sharp drop across periods
Melting point sharp drop across periods
Between Group 14 and 15 (giant to molecular structures)